FIle- Palestinian supporters gather for a protest at Columbia University, Thursday, Oct. 12, 2023, in New York. As the Israel-Hamas war rages in Gaza, there's a bitter battle for public opinion flaring in the U.S., with angry rallies and disruptive protests at prominent venues in several major cities. Among the catalysts are Palestinian and Jewish-led groups that have been active for years in opposing Israeli policies toward the Palestinians. Now many groups involved in those earlier efforts are playing a key role protesting the latest fighting, with actions on campuses and beyond. (AP Photo/Yuki Iwamura, File) As the Israel-Hamas war...